Starbucks cold brew (grande) has more caffeine: 205mg per 16 oz grande against 76mg per 15.2 oz bottle, a gap of 129mg. Measured by concentration the order is the same, at 12.8mg per fl oz versus 5mg.
KeVita Master Brew kombucha vs Starbucks cold brew (grande): the numbers
| KeVita Master Brew kombucha | Starbucks cold brew (grande) | |
|---|---|---|
| Caffeine per serving | 76mg per 15.2 oz bottle | 205mg per 16 oz grande |
| Caffeine per fl oz | 5mg | 12.8mg |
| Servings to reach 400mg | 5 | 2 |
| Source | Caffeine Informer | Starbucks menu data |
Both figures were checked against their source before this page went up: KeVita Master Brew kombucha against Caffeine Informer (source) and Starbucks cold brew (grande) against Starbucks menu data (source). Brewed drinks and cocoa foods vary by batch, so published figures are averages rather than guarantees.
What the gap means in practice
Starbucks cold brew (grande) is doing the real work here. The practical question is not which number is bigger but whether KeVita Master Brew kombucha is small enough to ignore in your day: at 76mg per 15.2 oz bottle you would need 5 servings to reach the 400mg reference point, against 2 for Starbucks cold brew (grande).
As an Amazon Associate, Barista Life earns from qualifying purchases.
Caffeine in this category is a label question, not a marketing one: browse kombucha on Amazon and read the nutrition panel before you buy a case.
For context, the FDA cites 400mg of caffeine a day as an amount generally not associated with negative effects in healthy adults. Tolerance and health vary, so treat these numbers as information, not advice.
Related reading
- KeVita Master Brew kombucha: the full caffeine breakdown
- Starbucks cold brew (grande): the full caffeine breakdown
- Does decaf have caffeine? Every decaf drink ranked
- Hidden caffeine: the foods and drinks people forget to count
- The verified caffeine database
- Compare any two drinks side by side
Related reading
FAQ
Does KeVita Master Brew kombucha or Starbucks cold brew (grande) have more caffeine? Starbucks cold brew (grande), at 205mg per 16 oz grande against 76mg per 15.2 oz bottle for KeVita Master Brew kombucha.
How much caffeine is in KeVita Master Brew kombucha? 76mg per 15.2 oz bottle, which works out to about 5mg per fl oz. The figure comes from Caffeine Informer.
Is KeVita Master Brew kombucha caffeine free? No. KeVita Master Brew kombucha carries 76mg per 15.2 oz bottle. It is a small amount, but small is not the same as none.
Barista Life runs on coffee people. Browse the Barista Life shop to support the site.
Get the good coffee stuff
One email a week: what we verified, what is worth buying, and what is not. No spam, unsubscribe any time.